A website that sold access to a database of more than 3 billion hacked accounts has suddenly vanished. LeakedSource had built a business on collecting and packa...

Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.

BONOMEN - Hunt for Malware Critical Process Impersonation - 0xcpu/bonomen

I found this one completely by chance; I was messing around with the server’s Diffie-Hellman parameters (typical Saturday evening) and to my surprise it crashed the OpenSSL 1.1.0 client. Even…

In this paper I will present an elegant technique (it’s my opinion, indeed) to get shell access to a vulnerable remote machine. It is not my own technique but I found it very interesting. The focus of this paper is on this technique and not in the way to…

The ransomware-as-a-service (RaaS) model has been around for many years, but lately, the groups behind such services are targeting regular users to distribute ransomware for their profit. Sites such as Satan RaaS enable non-technical users to create their…

Due to not proper transfer functionality implementation attacker can produce round error issue. In other words - "make money".

In December 2015, I found a critical vulnerability in one of PayPal business websites ( manager.paypal.com ). It allowed me to exe...

Google's Project Zero team Discloses zero-day Windows GDI library Vulnerability That Microsoft Fails To Patch in 90 days